Lenovo G470 ... a work in progress

Discussion in 'Mountain Lion Laptop Support' started by ntiangcomd, Jul 27, 2012.

  1. ntiangcomd

    ntiangcomd

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    Jul 27, 2012 at 4:39 PM #1
    ntiangcomd

    ntiangcomd

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    [Guide] Lenovo G470

    Updated: July 30, 2012

    It's shorter to note what doesn't work.
    1. SD Card

    Partially Works.
    1. Sleep - closing the lid doesn't put laptop to sleep. Need to manually do it.


    How I did it.
    1. Purchase Mountain Lion
    2. Create a USB Installer using Unibeast 1.5.1 * laptop specific
    3. Installed and Rebooted without encountering problems.
    4. Run Multibeast
    - user DSDT
    - system utilities
    - fakesmc
    - nullcpupower
    - ps/2 kb and trackpad
    - chimera
    - macbook pro 8,1 system definitions
    5. After Multibeast
    - edited org.chameleon.Boot.plist
    - removed ncpi=0x3000
    - removed kernel cache
    - removed legacy logo
    6. Installed using KtextWizard
    - AppleACPIBatteryManager & AppleSmartBatteryManager (battery support)
    - AtherosL1cEthernet (for LAN support)
    - AppleHDA
    7. Rebooted

    * sleep enabler instruction on the next post.
    * credits to Lion installation of archintosh where I derived most of the files. :)
     
  2. ntiangcomd

    ntiangcomd

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    Jul 28, 2012 at 1:53 PM #2
    ntiangcomd

    ntiangcomd

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  3. sag_vivek

    sag_vivek

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    Aug 16, 2012 at 6:53 PM #3
    sag_vivek

    sag_vivek

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    how about battery backup...i have the same specs as your. my laptop's battery drains much quicker with lion but if run the system on linux it give more backup.

    did u tried patching aicpupm for speedstep?
     
  4. ntiangcomd

    ntiangcomd

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    Oct 25, 2012 at 2:25 AM #4
    ntiangcomd

    ntiangcomd

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    ktext wizard is a part of multi beast. :)
    and yes, qe quarts is working flawlessly. before mountain lion, i used to have snow leopard and have screen tearing occasionally. with mountain lion, this problem seem to be fixed oob.

    update us on your progress..
    good luck!
     
  5. Mannrox

    Mannrox

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    Nov 27, 2012 at 12:46 AM #5
    Mannrox

    Mannrox

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  6. persondude27

    persondude27

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    Dec 1, 2012 at 9:08 PM #6
    persondude27

    persondude27

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    Hey man,

    I'd definitely like to give a shout-out to both you and archintosh. I have a similar system and have gotten it to about 90% using his DSDTs and your guides. Have been using it for about two weeks [super busy with class] and am getting features one by one.

    Thanks again! You've been a huge help.

    For anyone that's interested (if this belongs in another thread, let me know and I'll move it):
    Setup:
    Lenovo G470
    Intel Sandy Bridge i5 2450M @ 2.5 Ghz
    8 GB 1333 MHz DDR3
    Intel HD 3000 (512 MB)
    750 GB HD
    Mountain Lion 10.8.0 (haven't had the courage to do the update yet - will do that later)


    Setup process:
    -Standard Unibeast install (Note: I had issues here with the USB drive. I tried a 8.0 GB old flash drive, and it didn't work. I borrowed a Kensington 16 GB DataTraveler from a friend and it worked great)

    There are two semi-working ways to get this done. Archintosh has been kind enough to post two DSDTs: The first (Called 3 Page, because it's from his three page thread here) works well but doesn't have sound.
    The second (called January 2012 from here) has sound but takes some tweaking to get VGA-out to work.
    -Installed 3 Page DSDT but ended up replacing it with January 2012 AppleHDA stuff to get sound to work. This broke VGA out, but everything else seems to be okay.
    -When all else fails, I make one change at a time, and see if that fixes or breaks it. It's a long process, but I'm a n00b and have no idea what I'm doing.
    -Installed the SleepEnabler ktext above. Used KtextUtility; seems to be more reliable.

    Doing Archintosh's January 2012 setup works, but I did HDA.ktext and replaced DSDT to get working sound. I will be adding brightness control later (in minutes) and trying to get Intel SNB working again (my notes say that this method actually worked, so I need to figure out what changed).

    Again, it's easiest to list what doesn't work:

    -VGA out (can't test HDMI out till later; my parents' TV is a dinosaur) [doesn't cause crash, but isn't recognized and external monitor stays blank]
    -Trackpad scrolling / multitouch [I would LOVE to get Mac OS to recognize my trackpad so I can check "Ignore Accidental Trackpad Input"! My thumb touches the trackpad occasionally]
    -Messages! WTF. Can't sign in.

    Partially working:
    -Sleep doesn't work on lid close, but great otherwise.
    -battery: Battery seems to last 3 - 3.5 hours vs. 4 hours on Windows [Speedstepping?]

    Working:
    Monitor, native resolutions.
    Sound + keyboard control, automagically switches to headphone jack (30% of time needs to try again, but usually works)
    Keyboard, mouse [including right button!].
    WEBCAM! Whoo!
    Sleep
    WiFi [occasionally craps out, but only on my parents' SUPER LAME router. School is fine. Also, works after sleep, which is something people were worried about]
    Dual Boot Windows 7 via Chameleon [two partitions; 500 GB Mac and 250 GB Windoze]


    Don't Know:
    -HDMI
    -Microphone for webcam [am downloading Skype to check]
    -Speedstepping. Terminal 'yes' gives me a positive result, but I simply don't know anything about it. My feeling is that Archintosh's installation includes the P and C states, so I'm thinking that might be the case.

    A BIG note: Apple's Time Machine Backup is -great-. If at any point I broke the installation, I'd backup. If I got something working and wanted to make sure it stayed that way, I made a backup. I think I only had to do two hard restores; the rest were fixed by safe mode and removing the most recent ktext modification.


    So, again: CHEERS to you guys for getting my machine working! Not a bad machine for $390 all said and done.
     
  7. kit_johnson

    kit_johnson

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    Mar 2, 2013 at 5:29 AM #7
    kit_johnson

    kit_johnson

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    I used unibeast and have successfully installed mountain lion 10.8. This has taken me about six months. I was finally able to get my hands on a real Mac book to make a USB installer.

    During the installation I had to use the boot flags -x and GraphicsEnabler=No, or I was presented with a black screen soon after seeing a grey screen.

    The problem is that when I now boot into the successfully installed OS, I get the black screen again. It continues to load the OS as I can see the hard drive still being accessed, but I don't get to see the fruit. Just a black screen.

    I tried the same boot flags, also none, and also just -x. Same result.

    I disabled switchable graphics in the BIOS.

    When I bought the G470 they added some extra RAM (total now 8GB). I don't know if that's relevant or not.
     
  8. tatos85

    tatos85

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    Mar 9, 2013 at 6:59 AM #8
    tatos85

    tatos85

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    hello someone was able install mountain lion in lenovo g470 (i5) ?
    I used unibeast and have successfully installed mountain lion 10.8, but after multibeast its stuck.

    anyone have the dstd?
     
  9. persondude27

    persondude27

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    Mar 9, 2013 at 8:40 AM #9
    persondude27

    persondude27

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    I think my post two up does a pretty good job of explaining. I posted links to the DSDTs that I used, as well as the names of all the important kexts.

    Install Archintosh's January 2012 stuff. It's excellent.
    Let me know if you have any issues.
     
  10. tatos85

    tatos85

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    Mar 10, 2013 at 9:54 AM #10
    tatos85

    tatos85

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    Hi i used the january 2012 stuff, i used the applehda dsdt but it stuck, i have a kernel panic.

    I only use multibeast with that dsdt, and it doesn't works.

    What should i do? how to install that dsdt, with multibeast? i dont know, please help me. Which multibeast options should i have to choose?

    I installed a hackintosh but it happens on 2009, i never use multibeast or dsdt.
     

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